The security policy of security database management system provides the powerful security function to database. The model of BLP is one of common security policy model.
安全数据库管理系统的安全策略可以为数据库提供强大的安全功能，现在BLP模型是用得比较普遍的策略模型之一。
For more information, see Security Policy Model.
有关更多信息，请参见安全策略模型。
For more information about evidence, code groups, and permission sets, see Security Policy Model.
有关证据、代码组和权限集的更多信息，请参见安全策略模型。
For more information about evidence, code groups, and permission sets, see Security Policy Model.
有关证据、代码组和权限集的更多信息，请参见安全策略模型。
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